86490263943719 has 16 divisors (see below), whose sum is σ = 91161968231520. Its totient is φ = 81931217047680.

The previous prime is 86490263943679. The next prime is 86490263943731. The reversal of 86490263943719 is 91734936209468.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86490263943719 is a prime.

It is a super-2 number, since 2×86490263943719² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86490263943739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144996509 + ... + 145591785.

It is an arithmetic number, because the mean of its divisors is an integer number (5697623014470).

Almost surely, 2^{86490263943719} is an apocalyptic number.

86490263943719 is a deficient number, since it is larger than the sum of its proper divisors (4671704287801).

86490263943719 is a wasteful number, since it uses less digits than its factorization.

86490263943719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689890.

The product of its (nonzero) digits is 423263232, while the sum is 71.

The spelling of 86490263943719 in words is "eighty-six trillion, four hundred ninety billion, two hundred sixty-three million, nine hundred forty-three thousand, seven hundred nineteen".